Add extra parameter in getUrl for POST data.
pep8
Fix, add, change hdbits provider

Fix json import and init HDBITS_USERNAME
Add _checkAuth/ CheckAuthFromData
+ pep8
Add extra parameter post_data to helpers.getURL

+ removed findEpisode
Merge branch 'pre_fix_add_change_hdbits_provider_dev' into dev_all_fixes_04